20252556

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 55801200

約数和(自身を除く): 35548644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1021, 1044, 1102, 1653, 2042, 2204, 3063, 3306, 4084, 4959, 6126, 6612, 9189, 9918, 12252, 18378, 19399, 19836, 29609, 36756, 38798, 58197, 59218, 77596, 88827, 116394, 118436, 174591, 177654, 232788, 266481, 349182, 355308, 532962, 562571, 698364, 1065924, 1125142, 1687713, 2250284, 3375426, 5063139, 6750852, 10126278, 20252556]

約数ペア:

[(1, 20252556), (2, 10126278), (3, 6750852), (4, 5063139), (6, 3375426), (9, 2250284), (12, 1687713), (18, 1125142), (19, 1065924), (29, 698364), (36, 562571), (38, 532962), (57, 355308), (58, 349182), (76, 266481), (87, 232788), (114, 177654), (116, 174591), (171, 118436), (174, 116394), (228, 88827), (261, 77596), (342, 59218), (348, 58197), (522, 38798), (551, 36756), (684, 29609), (1021, 19836), (1044, 19399), (1102, 18378), (1653, 12252), (2042, 9918), (2204, 9189), (3063, 6612), (3306, 6126), (4084, 4959)]